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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@536 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong
2010-03-24 15:26:48 +00:00
parent 7606f6d952
commit cd039a8b49
6 changed files with 300 additions and 245 deletions
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24
examples/kernel/event_simple.c
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@@ -14,9 +14,11 @@ static rt_thread_t tid1 = RT_NULL;
static rt_thread_t tid2 = RT_NULL;
static rt_thread_t tid3 = RT_NULL;
struct rt_event event;
/* 事件控制块 */
static struct rt_event event;
void thread1_entry(void *param)
/* 线程1入口函数 */
static void thread1_entry(void *param)
{
rt_uint32_t e;
@@ -31,7 +33,7 @@ void thread1_entry(void *param)
}
rt_kprintf("thread1: delay 1s to prepare second event\n");
rt_thread_delay(100);
rt_thread_delay(10);
/* receive second event */
if (rt_event_recv(&event, ((1 << 3) | (1 << 5)),
@@ -41,34 +43,37 @@ void thread1_entry(void *param)
rt_kprintf("thread1: OR recv event 0x%x\n", e);
}
rt_thread_delay(50);
rt_thread_delay(5);
}
}
void thread2_entry(void *param)
/* 线程2入口函数 */
static void thread2_entry(void *param)
{
while (1)
{
rt_kprintf("thread2: send event1\n");
rt_event_send(&event, (1 << 3));
rt_thread_delay(100);
rt_thread_delay(10);
}
}
void thread3_entry(void *param)
/* 线程3入口函数 */
static void thread3_entry(void *param)
{
while (1)
{
rt_kprintf("thread3: send event2\n");
rt_event_send(&event, (1 << 5));
rt_thread_delay(200);
rt_thread_delay(20);
}
}
int event_simple_init()
{
/* 初始化事件对象 */
rt_event_init(&event, "event", RT_IPC_FLAG_FIFO);
/* 创建线程1 */
@@ -115,6 +120,9 @@ static void _tc_cleanup()
if (tid3 != RT_NULL && tid3->stat != RT_THREAD_CLOSE)
rt_thread_delete(tid3);
/* 执行事件对象脱离 */
rt_event_detach(&event);
/* 调度器解锁 */
rt_exit_critical();